40 CFR § 61.148
Standard for insulating materials
June 9, 2020
No owner or operator of a facility may install or reinstall on a facility component any insulating materials that contain commercial asbestos if the materials are either molded and friable or wet-applied and friable after drying. The provisions of this section do not apply to spray-applied insulating materials regulated under §61.146.
[55 FR 48424, Nov. 20, 1990]